title: Parathion exposure and cholinesterase response of Quebec apple growers.
mesh_terms: D002784:Cholesterol / Q000097:blood*; D002802:Cholinesterases; D006801:Humans; D027845:Malus; D010278:Parathion / Q000494:pharmacology*; D011792:Quebec
chemical_list: D010278:Parathion; D002784:Cholesterol; D002802:Cholinesterases
keywords: CHOLESTEROL/in blood; PARATHION/effects